X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b985763280ef50a537c28ce6e811c9186859453d..f3c0f9e75f16f7b636bdf7cd1b821e41e0f61592:/samples/drawing/drawing.cpp diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp index d03f254d8e..ec4d74558e 100644 --- a/samples/drawing/drawing.cpp +++ b/samples/drawing/drawing.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: drawing.cpp -// Purpose: Minimal wxWindows sample +// Purpose: shows and tests wxDC features // Author: Robert Roebling // Modified by: // Created: 04/01/98 @@ -17,8 +17,8 @@ // headers // ---------------------------------------------------------------------------- #ifdef __GNUG__ - #pragma implementation "minimal.cpp" - #pragma interface "minimal.cpp" + #pragma implementation "drawing.cpp" + #pragma interface "drawing.cpp" #endif // For compilers that support precompilation, includes "wx/wx.h". @@ -34,6 +34,8 @@ #include "wx/wx.h" #endif +#include "wx/colordlg.h" + // ---------------------------------------------------------------------------- // ressources // ---------------------------------------------------------------------------- @@ -73,11 +75,21 @@ public: void OnOption(wxCommandEvent &event); void OnMouseMove(wxMouseEvent &event); + wxColour SelectColour(); + void PrepareDC(wxDC& dc); + +protected: + int m_backgroundMode; int m_mapMode; double m_xUserScale; double m_yUserScale; int m_xLogicalOrigin; int m_yLogicalOrigin; + bool m_xAxisReversed, + m_yAxisReversed; + wxColour m_colourForeground, // these are _text_ colours + m_colourBackground; + wxBrush m_backgroundBrush; private: // any class wishing to process wxWindows events must use this macro @@ -94,26 +106,35 @@ enum // menu items Minimal_Quit = 1, Minimal_About, - - MapMode_Text, + + MenuOption_First, + + MapMode_Text = MenuOption_First, MapMode_Lometric, MapMode_Twips, MapMode_Points, MapMode_Metric, - + UserScale_StretchHoriz, UserScale_ShrinkHoriz, UserScale_StretchVertic, UserScale_ShrinkVertic, - + UserScale_Restore, + AxisMirror_Horiz, AxisMirror_Vertic, - + LogicalOrigin_MoveDown, LogicalOrigin_MoveUp, LogicalOrigin_MoveLeft, LogicalOrigin_MoveRight, - + + Colour_TextForeground, + Colour_TextBackground, + Colour_Background, + Colour_BackgroundMode, + + MenuOption_Last = Colour_BackgroundMode }; // ---------------------------------------------------------------------------- @@ -127,28 +148,11 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MOTION (MyFrame::OnMouseMove) EVT_PAINT (MyFrame::OnPaint) - + EVT_MENU(Minimal_Quit, MyFrame::OnQuit) EVT_MENU(Minimal_About, MyFrame::OnAbout) - - EVT_MENU(MapMode_Text, MyFrame::OnOption) - EVT_MENU(MapMode_Lometric, MyFrame::OnOption) - EVT_MENU(MapMode_Twips, MyFrame::OnOption) - EVT_MENU(MapMode_Points, MyFrame::OnOption) - EVT_MENU(MapMode_Metric, MyFrame::OnOption) - - EVT_MENU(UserScale_StretchHoriz, MyFrame::OnOption) - EVT_MENU(UserScale_ShrinkHoriz, MyFrame::OnOption) - EVT_MENU(UserScale_StretchVertic, MyFrame::OnOption) - EVT_MENU(UserScale_ShrinkVertic, MyFrame::OnOption) - - EVT_MENU(AxisMirror_Horiz, MyFrame::OnOption) - EVT_MENU(AxisMirror_Vertic, MyFrame::OnOption) - - EVT_MENU(LogicalOrigin_MoveDown, MyFrame::OnOption) - EVT_MENU(LogicalOrigin_MoveUp, MyFrame::OnOption) - EVT_MENU(LogicalOrigin_MoveLeft, MyFrame::OnOption) - EVT_MENU(LogicalOrigin_MoveRight, MyFrame::OnOption) + + EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption) END_EVENT_TABLE() // Create a new application object: this macro will allow wxWindows to create @@ -174,7 +178,6 @@ bool MyApp::OnInit() wxPoint(50, 50), wxSize(450, 340)); // Show it and tell the application that it's our main window - // @@@ what does it do exactly, in fact? is it necessary here? frame->Show(TRUE); SetTopWindow(frame); @@ -199,30 +202,38 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog"); menuFile->AppendSeparator(); menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program"); - + wxMenu *menuMapMode = new wxMenu; menuMapMode->Append( MapMode_Text, "&TEXT map mode" ); menuMapMode->Append( MapMode_Lometric, "&LOMETRIC map mode" ); menuMapMode->Append( MapMode_Twips, "T&WIPS map mode" ); menuMapMode->Append( MapMode_Points, "&POINTS map mode" ); menuMapMode->Append( MapMode_Metric, "&METRIC map mode" ); - + wxMenu *menuUserScale = new wxMenu; menuUserScale->Append( UserScale_StretchHoriz, "Stretch horizontally\tCtrl-H" ); menuUserScale->Append( UserScale_ShrinkHoriz, "Shrink horizontally\tCtrl-G" ); menuUserScale->Append( UserScale_StretchVertic, "Stretch vertically\tCtrl-V" ); menuUserScale->Append( UserScale_ShrinkVertic, "Shrink vertically\tCtrl-W" ); - + menuUserScale->AppendSeparator(); + menuUserScale->Append( UserScale_Restore, "Restore to normal\tCtrl-0" ); + wxMenu *menuAxis = new wxMenu; - menuAxis->Append( AxisMirror_Horiz, "Mirror horizontally" ); - menuAxis->Append( AxisMirror_Vertic, "Mirror vertically" ); - + menuAxis->Append( AxisMirror_Horiz, "Mirror horizontally\tCtrl-M", "", TRUE ); + menuAxis->Append( AxisMirror_Vertic, "Mirror vertically\tCtrl-N", "", TRUE ); + wxMenu *menuLogical = new wxMenu; menuLogical->Append( LogicalOrigin_MoveDown, "Move &down\tCtrl-D" ); menuLogical->Append( LogicalOrigin_MoveUp, "Move &up\tCtrl-U" ); menuLogical->Append( LogicalOrigin_MoveLeft, "Move &right\tCtrl-L" ); menuLogical->Append( LogicalOrigin_MoveRight, "Move &left\tCtrl-R" ); + wxMenu *menuColour = new wxMenu; + menuColour->Append( Colour_TextForeground, "Text foreground..." ); + menuColour->Append( Colour_TextBackground, "Text background..." ); + menuColour->Append( Colour_Background, "Background colour..." ); + menuColour->Append( Colour_BackgroundMode, "Opaque/transparent\tCtrl-B", "", TRUE ); + // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar; menuBar->Append(menuFile, "&File"); @@ -230,6 +241,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) menuBar->Append(menuUserScale, "&UserScale"); menuBar->Append(menuAxis, "&Axis"); menuBar->Append(menuLogical, "&LogicalOrigin"); + menuBar->Append(menuColour, "&Colours"); // ... and attach this menu bar to the frame SetMenuBar(menuBar); @@ -237,12 +249,15 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) // create a status bar just for fun (by default with 1 pane only) CreateStatusBar(2); SetStatusText("Welcome to wxWindows!"); - + m_mapMode = wxMM_TEXT; m_xUserScale = 1.0; m_yUserScale = 1.0; m_xLogicalOrigin = 0; m_yLogicalOrigin = 0; + m_xAxisReversed = + m_yAxisReversed = FALSE; + m_backgroundMode = wxSOLID; } @@ -270,74 +285,181 @@ void MyFrame::OnOption(wxCommandEvent &event) { case MapMode_Text: m_mapMode = wxMM_TEXT; - break; + break; case MapMode_Lometric: m_mapMode = wxMM_LOMETRIC; - break; - case MapMode_Twips: + break; + case MapMode_Twips: m_mapMode = wxMM_TWIPS; - break; - case MapMode_Points: + break; + case MapMode_Points: m_mapMode = wxMM_POINTS; - break; - case MapMode_Metric: + break; + case MapMode_Metric: m_mapMode = wxMM_METRIC; - break; - case LogicalOrigin_MoveDown: - m_yLogicalOrigin += 10; - break; - case LogicalOrigin_MoveUp: - m_yLogicalOrigin -= 10; - break; - case LogicalOrigin_MoveLeft: - m_xLogicalOrigin += 10; - break; - case LogicalOrigin_MoveRight: - m_xLogicalOrigin -= 10; - break; - case UserScale_StretchHoriz: - m_xUserScale *= 1.10; - break; - case UserScale_ShrinkHoriz: - m_xUserScale /= 1.10; - break; - case UserScale_StretchVertic: - m_yUserScale *= 1.10; - break; - case UserScale_ShrinkVertic: - m_yUserScale /= 1.10; - break; + break; + + case LogicalOrigin_MoveDown: + m_yLogicalOrigin += 10; + break; + case LogicalOrigin_MoveUp: + m_yLogicalOrigin -= 10; + break; + case LogicalOrigin_MoveLeft: + m_xLogicalOrigin += 10; + break; + case LogicalOrigin_MoveRight: + m_xLogicalOrigin -= 10; + break; + + case UserScale_StretchHoriz: + m_xUserScale *= 1.10; + break; + case UserScale_ShrinkHoriz: + m_xUserScale /= 1.10; + break; + case UserScale_StretchVertic: + m_yUserScale *= 1.10; + break; + case UserScale_ShrinkVertic: + m_yUserScale /= 1.10; + break; + case UserScale_Restore: + m_xUserScale = + m_yUserScale = 1.0; + break; + + case AxisMirror_Vertic: + m_yAxisReversed = !m_yAxisReversed; + break; + case AxisMirror_Horiz: + m_xAxisReversed = !m_xAxisReversed; + break; + + case Colour_TextForeground: + m_colourForeground = SelectColour(); + break; + case Colour_TextBackground: + m_colourBackground = SelectColour(); + break; + case Colour_Background: + { + wxColour col = SelectColour(); + if ( col.Ok() ) + { + m_backgroundBrush.SetColour(col); + } + } + break; + case Colour_BackgroundMode: + m_backgroundMode = m_backgroundMode == wxSOLID ? wxTRANSPARENT + : wxSOLID; + break; + + default: + // skip Refresh() + return; } - + Refresh(); } +void MyFrame::PrepareDC(wxDC& dc) +{ + dc.SetMapMode( m_mapMode ); + dc.SetUserScale( m_xUserScale, m_yUserScale ); + dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin ); + dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed ); +} + void MyFrame::OnPaint(wxPaintEvent &WXUNUSED(event) ) { - wxPaintDC dc(this); - dc.SetMapMode( m_mapMode ); - dc.SetUserScale( m_xUserScale, m_yUserScale ); - dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin ); - - dc.DrawRectangle( 10, 10, 90, 90 ); - dc.DrawRoundedRectangle( 10, 110, 90, 90, 5 ); - - dc.DrawText( "This is text.", 110, 10 ); - - dc.DrawIcon( wxICON(mondrian), 110, 40 ); + wxPaintDC dc(this); + PrepareDC(dc); + + dc.SetBackgroundMode( m_backgroundMode ); + if ( m_backgroundBrush.Ok() ) + dc.SetBackground( m_backgroundBrush ); + if ( m_colourForeground.Ok() ) + dc.SetTextForeground( m_colourForeground ); + if ( m_colourBackground.Ok() ) + dc.SetTextBackground( m_colourBackground ); + + // mark the origin + dc.DrawCircle(0, 0, 10); +#ifndef __WXGTK__ // not implemented in wxGTK :-( + dc.FloodFill(0, 0, wxColour(255, 0, 0)); +#endif // __WXGTK__ + + dc.DrawRectangle( 10, 10, 90, 90 ); + dc.DrawRoundedRectangle( 110, 10, 90, 90, 5 ); + + dc.SetPen( *wxWHITE_PEN ); + dc.DrawLine( 10, 110, 100, 110 ); + dc.SetPen( *wxBLACK_PEN ); + dc.DrawLine( 100, 110, 100, 200 ); + dc.SetPen( *wxWHITE_PEN ); + dc.DrawLine( 100, 200, 10, 200 ); + dc.SetPen( *wxBLACK_PEN ); + dc.DrawLine( 10, 200, 10, 110 ); + + wxPen white_butt( "white", 1, wxSOLID ); + white_butt.SetCap( wxCAP_BUTT ); + wxPen black_butt( "black", 1, wxSOLID ); + black_butt.SetCap( wxCAP_BUTT ); + + dc.SetPen( white_butt ); + dc.DrawLine( 110, 110, 200, 110 ); + dc.SetPen( black_butt ); + dc.DrawLine( 200, 110, 200, 200 ); + dc.SetPen( white_butt ); + dc.DrawLine( 200, 200, 110, 200 ); + dc.SetPen( black_butt ); + dc.DrawLine( 110, 200, 110, 110 ); + + wxPen white_miter( "white", 1, wxSOLID ); + white_miter.SetJoin( wxJOIN_MITER ); + wxPen black_miter( "black", 1, wxSOLID ); + black_miter.SetJoin( wxJOIN_MITER ); + + dc.SetPen( white_miter ); + dc.DrawLine( 210, 110, 300, 110 ); + dc.SetPen( black_miter ); + dc.DrawLine( 300, 110, 300, 200 ); + dc.SetPen( white_miter ); + dc.DrawLine( 300, 200, 210, 200 ); + dc.SetPen( black_miter ); + dc.DrawLine( 210, 200, 210, 110 ); + + + dc.DrawText( "This is text\n(on multiple lines)", 110, 10 ); + + dc.DrawIcon( wxICON(mondrian), 110, 40 ); } void MyFrame::OnMouseMove(wxMouseEvent &event) { - wxClientDC dc(this); - dc.SetMapMode( m_mapMode ); - dc.SetUserScale( m_xUserScale, m_yUserScale ); - dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin ); - - wxPoint pos = event.GetPosition(); - long x = dc.DeviceToLogicalX( pos.x ); - long y = dc.DeviceToLogicalY( pos.y ); - wxString str; - str.Printf( "Current mouse position: %d,%d", (int)x, (int)y ); - SetStatusText( str ); + wxClientDC dc(this); + PrepareDC(dc); + + wxPoint pos = event.GetPosition(); + long x = dc.DeviceToLogicalX( pos.x ); + long y = dc.DeviceToLogicalY( pos.y ); + wxString str; + str.Printf( "Current mouse position: %d,%d", (int)x, (int)y ); + SetStatusText( str ); +} + +wxColour MyFrame::SelectColour() +{ + wxColour col; + wxColourData data; + wxColourDialog dialog(this, &data); + + if ( dialog.ShowModal() == wxID_OK ) + { + col = dialog.GetColourData().GetColour(); + } + + return col; }